Yo-yo



FIG. 1 is is a perspective view of a yo-yo;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is right side elevational view thereof;

FIG. 6 is a top elevational view thereof; and,

FIG. 7 is a bottom elevational view thereof. 

CLAIM The ornamental design for a yo-yo, as shown and described. 